一个群栖地可以容纳上百万个企鹅。
正是在此次灭绝之前，原始两栖动物第一次爬上了陆地。
Right before the extinction events, the first proto-amphibians made it onto shore.
所有陆地单位都会有两栖能力吗？
两栖类动物在水中和陆地上都可以生活。
青蛙属于两栖动物，也就是说它既能生活在陆地上也能生活在水里。
The frog is an amphibian, which means it can live on land and in water.
另外一些叫作两栖动物，它们既能在陆地上生活也能在水里生存。
Others, called amphibians, were able to live on land as well as in the water.
另外一些是两栖动物，它们既能生活在陆地上，也能生活在海洋里。
Others, called amphibians, were able to live on land as well as in the sea.
两栖动物都有着多种本领，既能在水里生存，也能在陆地上生存。
Amphibians are very versatile creatures, being able to live in water or on land.
两栖动物都有着多种本领，既能在水里生存，也能在陆地上生存。
Amphibians are very versatile creatures, being able to live in water or on land.
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